MvcDiagram/controllers/diagramcontroller.h

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00001 /*  -*- c++ -*-  (for Emacs)
00002  *
00003  *  diagramcontroller.h
00004  *  Digest
00005  * 
00006  *  Imported into Digest by Aidan Lane on Thu Jun 9 2005.
00007  *  Modifications Copyright (c) 2005 Optimisation and Constraint Solving Group,
00008  *  Monash University. All rights reserved.
00009  *
00010  *  Nodal file:
00011  *
00012  *    projectcontroller.h
00013  *    Nodal
00014  *
00015  *    Imported into Nodal by Aidan Lane on Thu Feb 24 2005.
00016  *    Modifications Copyright (c) 2005 CEMA, Monash University. All rights reserved.
00017  *
00018  *    Original file:
00019  *
00020  *      project.h
00021  *      EverGreen
00022  *
00023  *      Created by Aidan Lane on Wed Jul 14 2004.
00024  *      Copyright (c) 2004 Aidan Lane. All rights reserved.
00025  *
00026  *  This program is free software; you can redistribute it and/or modify
00027  *  it under the terms of the GNU General Public License as published by
00028  *  the Free Software Foundation; either version 2 of the License, or
00029  *  (at your option) any later version.
00030  *
00031  *  This program is distributed in the hope that it will be useful,
00032  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00033  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00034  *  GNU General Public License for more details.
00035  *
00036  *  You should have received a copy of the GNU General Public License
00037  *  along with this program; if not, write to the Free Software
00038  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
00039  */
00040 
00041 #ifndef DIAGRAMCONTROLLER_H
00042 #define DIAGRAMCONTROLLER_H
00043 
00044 
00045 #include "MvcCore/elementdoccontroller.h"
00046 
00047 #include <QPointer>
00048 #include <QReadWriteLock>
00049 
00050 #include "diagramcontrollerevents.h"
00051 
00052 class Diagram;
00053 
00054 
00068 class DiagramController : public ElementDocController {
00069 
00070   Q_OBJECT
00071 
00072 public:
00073   DiagramController( QObject* parent = 0 );
00074   DiagramController( AbstractModel* diagram, QObject* parent = 0 );
00075 
00076   Diagram* diagram() const;
00077 
00084   const AbstractElementSet& elementSelection() const {
00085     return m_elementSelection;
00086   }
00087 
00089   inline static MvcModuleId_t classModuleId() { return MvcDiagram::id(); }
00091   virtual MvcModuleId_t moduleId() const { return classModuleId(); }
00092 
00093 
00094 public slots:
00095   virtual void elementSelectionBringToFront();
00096   virtual void elementSelectionSendToBack();
00097   virtual void elementSelectionBringForward();
00098   virtual void elementSelectionSendBackward();
00099 
00100 
00101 protected:
00102   virtual void dispatchEvent( CEvent* );
00103 
00104   virtual void changeModelEvent( CChangeModelEvent* );
00105 
00106   virtual void elementRemoveEvent( CElementRemoveEvent* );
00107 
00108   virtual void controlPointInsertEvent( CControlPointInsertEvent* );
00109   virtual void controlPointRemoveEvent( CControlPointRemoveEvent* );
00110   virtual void controlPointMoveEvent( CControlPointMoveEvent* );
00111   virtual void changeElementSelectionEvent( CChangeElementSelectionEvent* );
00112   virtual void removeAllSelectedElementsEvent( CDiagramEvent* );
00113 
00114 
00115 private:
00116   // The following variable is only used for synchronising graphical representations.
00117   AbstractElementSet  m_elementSelection;
00118   mutable QReadWriteLock m_elementSelectionLock;
00119 
00120   // Temporary caches:
00121   QPointer<Diagram> c_diagram;
00122 };
00123 
00124 
00125 #endif // ! DIAGRAMCONTROLLER_H

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